Powerplant är Gamma Rays sjätte album. Det släpptes 1999.

Låtar på albumet

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  1. "Anywhere in the Galaxy"
  2. "Razorblade Sigh"
  3. "Send Me a Sign"
  4. "Strangers in the Night"
  5. "Gardens of the Sinner"
  6. "Short As Hell"
  7. "It's A Sin"
  8. "Heavy Metal Universe"
  9. "Wings of Destiny"
  10. "Hand of Fate"
  11. "Armageddon"
  12. "Long Live Rock and Roll"